The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 4501 | Cthulhu | £ 65,626,904 | |
| 4502 | Cthulhu Corp | £ 5,503,404 | |
| 4503 | Cthulhu Sleeps | £ 1,035,686,271 | |
| 4504 | CTI | £ 4,783,705 | |
| 4505 | CTowers | £ 5,026,966 | |
| 4506 | CTU | £ 3,183,621 | |
| 4507 | Cuba | £ 46,040,107 | |
| 4508 | Cuban Rum | £ 27,147,126 | |
| 4509 | Cube | £ 11,923,402 | |
| 4510 | Cube Inc. | £ 5,507,410 | |
| 4511 | cuberdons | £ 8,923,048 | |
| 4512 | Cubic Works | £ 7,695,062 | |
| 4513 | Cubicstan | £ 3,037,220 | |
| 4514 | Cuckold | £ 3,990,750 | |
| 4515 | Cuckoo Ltd | £ 4,991,067 | |
| 4516 | Cucumber | £ 2,009,044,813 | |
| 4517 | Cue | £ 621,309 | |
| 4518 | Cufin | £ 4,931,482 | |
| 4519 | Cullins | £ 589,733,633 | |
| 4520 | Culliver City | £ 19,474,104 | |
| 4521 | Culo | £ 54,280,976 | |
| 4522 | cult and co | £ 23,957,017 | |
| 4523 | cultural appropriation | £ 231,081,978 | |
| 4524 | Cultural Expressions | £ 167,279,109 | |
| 4525 | Cumann Luthchleas Gael | £ 5,502,913 | |
| 4526 | Cuneo | £ 57,638,840 | |
| 4527 | Cunnilingus | £ 114,231,725 | |
| 4528 | Cunnys Trading Company | £ 982,076 | |
| 4529 | Cup | £ 19,851,641 | |
| 4530 | Cup0fTea | £ 253,762,330 | |
| 4531 | Cupid Stunts PLC | £ 276,395,414 | |
| 4532 | Cups | £ 65,928,983 | |
| 4533 | Current Charges | £ 272,053,370 | |
| 4534 | Currents | £ 48,241,725 | |
| 4535 | Curry-clanRob | £ 5,507,441 | |
| 4536 | Cursed World | £ 3,320,256 | |
| 4537 | curtains | £ 365,303,983 | |
| 4538 | Curve | £ 1,327,620 | |
| 4539 | Curz Corp | £ 50,000 | |
| 4540 | Cushion | £ 40,606,248 | |
| 4541 | Cushty Son | £ 0 | |
| 4542 | Custard | £ 57,094,161 | |
| 4543 | Custard Pie | £ 668,701,487 | |
| 4544 | Cut | £ 192,062,776 | |
| 4545 | Cute Boys Dx | £ 5,861,264 | |
| 4546 | Cute Red Industries | £ 61,322,810 | |
| 4547 | Cuthberts Coachworks | £ 596,602,678 | |
| 4548 | cutter | £ 37,900,521 | |
| 4549 | Cutting Down Trees | £ 55,370,240 | |
| 4550 | cvc | £ 5,541,924 | |
| 4551 | Cwm | £ 2,355,525 | |
| 4552 | CYAfergie | £ 6,790,092 | |
| 4553 | Cyanide | £ 82,159,236 | |
| 4554 | Cyber Death | £ 125,400,697 | |
| 4555 | Cyber Sharks | £ 82,973,600 | |
| 4556 | Cyber Tech | £ 3,349,487 | |
| 4557 | cybercrimedetionunit | £ 1,429,198 | |
| 4558 | CyberDeath | £ 100,751,231 | |
| 4559 | Cyberdogs | £ 100,831,693 | |
| 4560 | Cyberdyne | £ 171,450,693 | |
| 4561 | Cyberdyne Corp. | £ 4,285,808 | |
| 4562 | cyberdyne inc. | £ 28,564 | |
| 4563 | Cyberdyne Systems | £ 3,061,652 | |
| 4564 | Cyberdyne Sytems | £ -1,386,763 | |
| 4565 | CyberLife | £ 190,550 | |
| 4566 | Cybernet | £ 50,000 | |
| 4567 | Cyberterrorism | £ 653,442,761 | |
| 4568 | Cyborg | £ 102,781,192 | |
| 4569 | Cyborgia Inc | £ 11,103,436 | |
| 4570 | cycle | £ 123,247,905 | |
| 4571 | Cycletour | £ 5,504,207 | |
| 4572 | Cyclone | £ 12,449,375 | |
| 4573 | Cyclonic energy | £ 53,352,325 | |
| 4574 | Cydonia | £ 4,972,116 | |
| 4575 | CYKA | £ 56,980,649 | |
| 4576 | CykaBlyat | £ 5,365,780 | |
| 4577 | Cylon | £ 79,057,234 | |
| 4578 | Cylons | £ 52,605,207 | |
| 4579 | Cymraeg | £ 10,964,960 | |
| 4580 | Cyprus | £ 269,597,650 | |
| 4581 | Cyrus Salad | £ 59,170,526 | |
| 4582 | Cytosport | £ -5,801,399 | |
| 4583 | czar | £ 4,304,081 | |
| 4584 | D Block | £ 1,449,974,172 | |
| 4585 | D Block Enterprise | £ 2,858,788 | |
| 4586 | D Corp | £ 1,873,647 | |
| 4587 | D E A T H | £ 168,604,204 | |
| 4588 | D-Bombs | £ 61,631,213 | |
| 4589 | D-Lo Enterprise | £ 1,291,954 | |
| 4590 | D.E.A | £ 1,156,785 | |
| 4591 | D.E.A.T.H. | £ 5,340,466 | |
| 4592 | D.N.A | £ 208,502,808 | |
| 4593 | D3ATH | £ 302,601,832 | |
| 4594 | D3STRUCTI0N | £ 801,838,549 | |
| 4595 | D741 | £ 51,019,137 | |
| 4596 | Da Ba Dee Da Ba di | £ 59,343,406 | |
| 4597 | Da Bears | £ 5,510,582 | |
| 4598 | da BOMB | £ 5,500,592 | |
| 4599 | da dyna mite | £ 265,627 | |
| 4600 | Da father | £ 50,000 | |
